What is the Least Common Multiple of 91240 and 91258?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 91240 and 91258 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91240 and 91258, than apply into the LCM equation.

GCF(91240,91258) = 2
LCM(91240,91258) = ( 91240 × 91258) / 2
LCM(91240,91258) = 8326379920 / 2
LCM(91240,91258) = 4163189960

Least Common Multiple (LCM) of 91240 and 91258 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91240 and 91258. First we will calculate the prime factors of 91240 and 91258.

Prime Factorization of 91240

Prime Factorization of 91258

Now multiplying the highest exponent prime factors to calculate the LCM of 91240 and 91258.

LCM(91240,91258) = 2³ × 5¹ × 2281¹ × 103¹ × 443¹
LCM(91240,91258) = 4163189960